10,000 people have set the record for the longest chain of human dominoes.
(youtube.com)

(Newser)
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The record for longest chain of human dominoes was set by 10,267 people in China yesterday, the AP reports. The throng wore color-coordinated clothes that spelled out, in English and Chinese, the name "Ordos"—the city where the dominoes were slowly falling. A Guinness World Records monitor declared the domino chain to be the new record holder.

Translation fail! I translated the original video and this is actually just an ancient traditional fart chain ritual called "Odors". (They simply misspelled it. And training = eating beans. Thats why they throw their hands up like that!)